it’s not super-duper technical, but if you’re into the whole ‘semantic web’ thing then maybe you’ll enjoy Berners-Lee and the Semantic Web Vision:
“In a keynote session at XML 2000 Tim Berners-Lee, Director of the Wide Web Consortium, outlined his vision for the Semantic Web. In one of his most complete public expositions of the vision to date, he explained the layered architecture that he foresees being developed in the next ten years.”